Jerome & Elizabeth Moos wrote:
> By the way anyone know the chainring thread dimensions on the old
> Stronglight steel cottered arms (the arms are tapped for the
> chainring bolts)? The original bolt are larger than 6 mm, 7 mm
> perhaps?
>
It should be M7 x 1 , at least that was what all the steel Nervars etc had on the Peugeots in the 70's. M7 is a metric thread you are not supposed to use, which is probably why all french cars from that era used it. Which was a convenient source if you wanted a spare with a proper bolthead
-- mvg
Marten Gerritsen
Kiel Windeweer
Netherlands